Ethernet Connectors; Connecting The Cable - Omron CJ2 CPU UNIT User Manual

5 Installation

Ethernet Connectors

The following standards and specifications apply to the connectors for the Ethernet twisted-pair cable.
• Electrical specifications: Conform to IEEE802.3 standards.
• Connector structure:

Connecting the Cable

Precautions for Correct Use Precautions for Correct Use
• Turn OFF the PLC's power supply before connecting or disconnecting twisted-pair cable.
• Allow enough space for the bending radius of the twisted-pair cable as shown in below.
35 mm
1
Lay the twisted-pair cable.
2
Connect the cable to the Ethernet switch. Be sure to press in the cable until it locks into place.
5-40
RJ45 8-pin Modular Connector (Conforms to ISO 8877)
Connector pin Signal name
1 Transmission data +
Transmission data −
2
3 Reception data +
4 Not used.
5 Not used.
Reception data −
6
7 Not used.
8 Not used.
Hood Frame ground
Abbr. Signal direction
TD+ Output
TD− Output
RD+ Input
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--- ---
RD− Input
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--- ---
FG ---
CJ2 CPU Unit Hardware User's Manual